package CollectionsDay02;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

public class SortListDemo2 {
    public static void main(String[] args) {
        List<String> list = new ArrayList<String>();
        list.add("王克晶");
        list.add("传奇gsgah");
        list.add("国斌老师");
        System.out.println("list原始数据:"+list);

        //自定义排序规则:
        Collections.sort(list, new Comparator<String>() {
            public int compare(String o1, String o2) {
//                return o1.length()-o2.length();//升序
                return o2.length()-o1.length();//降序
            }
        });
        System.out.println("list排序后数据:"+list);
    }
}
